Patent US3272926A successfully refreshed from Google Patents.
US3272926A
Expired / Lapsed
US
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Headphone assembly
Assignee: Dimensional Products Inc
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Filing: 1963-04-24
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Granted: 1966-09-13
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Expires: 1983-04-24
Abstract
No abstract record available.
Inventors
- 👤 Gustave F Falkenberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:53
CPC Classifications
H; H04; H04R; H04R1/00; H04R1/10; H04R1/1008; H04R5/00; H04R5/033; H04R5/0335
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
IN A HEADPHONE FOR A HEADSET, THE COMBINATION OF: AN OUTER SHELL FORMING A HOUSING THAT HAS A PERIPHERAL RIM DEFINING AN OPEN END, SAID RIM HAVING APERTURES AT TWO OPPOSITELY DISPOSED POINTS; AN EARCUP EXTENDING OVER THE OPEN END OF SAID OUTER SHELL AND INCLUDING A PERIPHERAL WALL NESTING WITHIN THE PERIPHERAL RIM OF SAID OUTER SHELL AND HAVING APERTURES AT TWO POINTS EACH IN ALIGNMENT WITH AN APERTURE IN THE OUTER SHELL, A DEPRESSED PANEL PORTION INWARD OF AND ADJACENT TO SAID PERIPHERAL WALL, AN INNER RIDGE DEFINING THE INNER EXTENT OF SAID PANEL PORTION AND FORMING A CHANNEL WITH SAID PANEL PORTION AND SAID PERIPHERAL WALL, AND AN EAR RECEIVING CAVITY TO THE INSIDE OF SAID INNER RIDGE; A SPEAKER WITHIN SAID HEADPHONE AND MOUNTED UPON THE REAR OF SAID EARCUP PANEL PORTION;
Claim 2
Dependent Claim
136 words
IN A HEADPHONE FOR A HEADSET, THE COMBINATION OF: AN OUTER SHELL FORMING A HOUSING THAT HAS A PERIPHERAL RIM DEFINING AN OPEN END, SAID RIM HAVING APERTURES AT TWO OPPOSITELY DISPOSED POINTS; AN EARCUP EXTENDING OVER THE OPEN END OF SAID OUTER SHELL AND INCLUDING A PERIPHERAL WALL NESTING WITHIN THE PERIPHERAL RIM OF SAID OUTER SHELL AND HAVING APERTURES AT TWO POINTS EACH IN ALIGNMENT WITH AN APERTURE IN THE OUTER SHELL, A DEPRESSED PANEL PORTION INWARD OF AND ADJACENT TO SAID PERIPHERAL WALL, AN INNER RIDGE DEFINING THE INNER EXTENT OF SAID PANEL PORTION AND FORMING A CHANNEL WITH SAID PANEL PORTION AND SAID PERIPHERAL WALL, AND AN EAR RECEIVING CAVITY TO THE INSIDE OF SAID INNER RIDGE; A SPEAKER WITHIN SAID HEADPHONE AND MOUNTED UPON THE REAR OF SAID EARCUP PANEL PORTION;
References Cited (Backward Citations)
US2989598A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-12 | 1970-03-14 | 1970-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-12 | 1974-03-14 | 1974-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-12 | 1978-03-14 | 1978-09-13 | $7700.00 | Window Closed / Lapsed |